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gh-102549: [Enum] fail enum creation when data type raises in __init__ (GH-103149)

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Ethan Furman 2023-03-31 13:52:31 -07:00 • committed by GitHub
parent dfc4c95762
commit 2a4d8c0a9e
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3 changed files with 32 additions and 14 deletions
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25
Lib/enum.py
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@ -266,23 +266,20 @@ class _proto_member:
args = (args, ) # wrap it one more time
if not enum_class._use_args_:
enum_member = enum_class._new_member_(enum_class)
if not hasattr(enum_member, '_value_'):
else:
enum_member = enum_class._new_member_(enum_class, *args)
if not hasattr(enum_member, '_value_'):
if enum_class._member_type_ is object:
enum_member._value_ = value
else:
try:
enum_member._value_ = enum_class._member_type_(*args)
except Exception as exc:
enum_member._value_ = value
else:
enum_member = enum_class._new_member_(enum_class, *args)
if not hasattr(enum_member, '_value_'):
if enum_class._member_type_ is object:
enum_member._value_ = value
else:
try:
enum_member._value_ = enum_class._member_type_(*args)
except Exception as exc:
raise TypeError(
'_value_ not set in __new__, unable to create it'
) from None
new_exc = TypeError(
'_value_ not set in __new__, unable to create it'
)
new_exc.__cause__ = exc
raise new_exc
value = enum_member._value_
enum_member._name_ = member_name
enum_member.__objclass__ = enum_class